The structure of the door damper is mainly used for non-pressure underground mine ventilation roadway. Door by door frames, doors, sealed bezel and sealing materials, blankets surrounding adhesive seal. The door frame using the steel welded Figure (for wind pressure direction). Open mine with an automatic pressure perspective damper the ordinary manual damper upgrading of products, to achieve automatic control of the throttle, electro-hydraulic (or pneumatic open), electrical locking in place to detect a number of important features such as sound and light alarm. Compared with manual damper, product safety, ease of use, the greatly improved economic Ninghao Bo mining professional sales of various mining the door, welcome new and old customers to inquire, Haobo sincerely look forward to working with you! . Second, the main features (1) automatic control state, vehicles and personnel through the throttle open automatically, automatically shut down after vehicle or person, without the effort required to open, convenient and practical. (2) between the two throttle to achieve electrical and mechanical double locking, completely avoid the two doors are open, safe and reliable. (3) is provided with a manual control functions using the remote controller or manual button to artificially control damper opens and closes. (4) Every damper are made of anti-wind design to ensure that the opening and closing the throttle in mine case of power failure can be relied upon human. (5) With emergency lift the lockout feature, special circumstances may be discharged by the two throttle lockout, the two sets of throttle all locked in the open position. (6) with LED display alarm and voice alarm two alarm mode, the vehicle passes, may issue a variety of voice prompts signal, audible and visual alarm signal fault condition. A fully automatic damper consists of two single-damper, a mechanical locking device, a set of electronic control system, two sets of power transmission device, two sets of sound and light alarm display, two sets of infrared channel single throttle body by two doors and a doorframe, folio structure for the double-leaf, when the structure is open, preferably to achieve the purpose of balancing the air pressure inside and outside, with a transparent window for the the doorframe impact force is small, reliable and durable, in order to facilitate the damper the case on the side of observation. Third, two at both ends of the damper roadway supporting ZMK-127 electric control system were installed infrared sensors, test line formed at both ends of the damper when pedestrians or vehicles in either direction from the roadway into the sensor to automatically detect and control equipment provides a signal when the A door when someone passes, the sensor sends the signal, A gate power source is energized to open the A damper, the damper is mounted on the sensor detecting the damper is closed, the engagement state (this signal is communicated to the ground control room, in order to easily detect the throttle Close). A door is open, the sound and light alarm device trigger signal alert warnings throttle open, pay attention to safety "and heritage red light flashes, the door B sound and light alarm device at the same time prompt" in front of the throttle open, you later "accompanied by red light. B door with a stopper to prevent both doors are open affecting the coal mine safety, a suitable delay (which can be set according to need) A door automatically shut down, until the sensor detects closed in place, warning voice and red light off, green light Always. , Alarm status control damper open or close the instructions issued in the control system, within 8 seconds (can be set) sensor still detects less than signal in place, the control system will sound and light alarm monitor alarm instructions, sound and light alarm The display will also issued red flashing signal and buzzer alarm signals to notify the relevant personnel to take measures.